19675925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1801}}^1$

素因数の和:1853

約数の個数: 24

約数和(自身を含む): 26813760

約数和(自身を除く): 7137835

約数列:

[1, 5, 19, 23, 25, 95, 115, 437, 475, 575, 1801, 2185, 9005, 10925, 34219, 41423, 45025, 171095, 207115, 787037, 855475, 1035575, 3935185, 19675925]

約数ペア:

[(1, 19675925), (5, 3935185), (19, 1035575), (23, 855475), (25, 787037), (95, 207115), (115, 171095), (437, 45025), (475, 41423), (575, 34219), (1801, 10925), (2185, 9005)]